Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 808 [Rate centres in NPA 808] [Dial plan for NPA 808]

NXX: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
808-290 A Hilo HI   6010 NEW CINGULAR WIRELESS PCS, LLC 834   2026-06-18   
808-290 0 Hilo HI   009G HAWAIIAN TELCOM SERVICES COMPANY, INC. - HI 834   2026-06-25   
808-290 9 Hilo HI   6010 NEW CINGULAR WIRELESS PCS, LLC 834   2026-06-18   

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.